Egan’s point is often taken to be similar to some earlier points including that made by Bostrom’s meta-newcomb’s problem (http://www.nickbostrom.com/papers/newcomb.html)
It’s worth noting that not everyone agrees that these are problems for CDT:
See James Joyce (the philosopher): http://www-personal.umich.edu/~jjoyce/papers/rscdt.pdf
See Bob Stalnaker’s comment here: http://tar.weatherson.org/2004/11/29/newcomb-and-mixed-strategies/ (the whole thread is pretty good)
Egan’s point is often taken to be similar to some earlier points including that made by Bostrom’s meta-newcomb’s problem (http://www.nickbostrom.com/papers/newcomb.html)
It’s worth noting that not everyone agrees that these are problems for CDT:
See James Joyce (the philosopher): http://www-personal.umich.edu/~jjoyce/papers/rscdt.pdf
See Bob Stalnaker’s comment here: http://tar.weatherson.org/2004/11/29/newcomb-and-mixed-strategies/ (the whole thread is pretty good)